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Finding the Fourth Proportional to 36,630.01, 54,945.15 and 8,928.01

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Solution

The fourth proportional to 36,630.01, 54,945.15 and 8,928.01 is: 13,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,630.01 : 54,945.15 = 8,928.01 : x
  2. Step 2: Convert to fraction form
    36,630.01/54,945.15 = 8,928.01/x
  3. Step 3: Cross multiply
    36,630.01x = 54,945.15 × 8,928.01
  4. Step 4: Simplify right side
    36,630.01x = 490,550,848.65
  5. Step 5: Solve for x
    x = 490,550,848.65/36,630.01
  6. Step 6: Final answer
    x = 13,392.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.